.box>div{
    border: 1px solid black;
}
.box_>div{
    border: 1px solid purple;
    margin-top: 10px;
}
.box2>div{
    border: 1px solid red;
    margin-top: 10px;
}
.box3>div{
    border: 1px solid blue;
    margin-top: 10px;
}
.box4>div{
    border: 1px solid rgb(3, 250, 65);
    margin-top: 10px;
}
.box5>div{
    border: 1px solid rgb(14, 74, 238);
    margin-top: 10px;
}
.box6>div{
    border: 1px solid black;
    margin-top: 10px;
}


